26 



BUIXETIN 1089, TJ. S. DEPARTMEI^T OP AGRICULTURE. 



its greater abundance. On the other hand, plants in the second seriei 

 are of equally good qualit3\ but are not eaten so much, chiefly becausf 

 they are less abundant. The plants in the third series are generally 

 of lower palatability. The division into groups indicates the relativt 

 degree of palatability within each series. 



Table 3. — Plants grazed in summer, in the order of their importance. 



First series : 

 Group I — 



Small cotton sedge (Eri- 

 ophorum calUtrix). 



Large cotton sedge {Eri- 

 ophorum angustifolium) . 



Willows (Salia;) (several 

 species). 



Reindeer moss (lichens) 

 (Cladonia). 



Iceland moss (lichens) (Ce- 

 trariu). 

 Group II — 



Ground birch (Betula ro- 

 tundifolia) . 



Alaska tea {Ledum palustre 

 and groenlandicum) . 

 Second series: 

 Group I — 



Blueberry {Vacciniuin uUf/ino- 

 sum). 



Mountain cranberrj' {Yac- 

 cin'nim vitis-idaea) . 



Crowberry (Empetrum ni- 

 grum) . 



Sedges (Carex). 



Grasses (Poa; Arctagrostis ; 

 Festuca; Agropyron). 



Water buttercup {Ranuncu- 

 lus pallasii). 



Valerian (Valeriana capi- 

 tata). 



Fernweed (Pedicularis verti- 

 eiUata). 



Wormwood {Artemisia ti- 

 les ii). 



Wormwood {Artemisia arc- 

 tica). 



Fireweed {Epilobium angus- 

 tifolium). 

 Group II — 



Mushrooms. 



Gentian {Gentiana glauca). 



1 



Second series — Continued. 



Group II — Continued. r 



Dryad {Dryas octopetala). I 

 Lupine {Lupinus). 

 Vetch (Vicia). 

 Polygonum {Polygonu 



alaskamim) . 

 Dock {Rumex occidentalis) 

 Third series : 

 Group I — 



Alder {Alnus alnohetula) . 

 Salmonberry {Ruius cJiamae 



morus ) . 

 Alpine bearberry {Arctous al 



pina). 

 Diapensia {Dlapensia lappa- 



ica ) . 

 Clubmoss {Lycopodium anno 



tinum). 

 Heath moss {Polytrichum, 



(several species). 

 Bunch moss (Aulacommiuri 



turgidum.) 

 Fern moss {Hylocomiur, 



alaskanum ) . 

 Horsetail {Equisetum am 



reuse). 

 Group II — 



Water starwort {MercM 



pJiysodes). 

 Beach pea {Lathyrus marm 



timus). 

 Timber bluebells (J/er^ews; 



paniciilata) . 

 Fernweed {Pedicularis) 

 Gentian ( Gentiana ) . 

 Birch {Betula kenaica). 

 Spiraea {Spiraea steveni). 

 Parsnip ( Coelopleurum gmi 



lini). 

 Hemlock parsley ( C onion 



linum gnielini). 



1 



